Effects of 2-methylbutyrate Supplementation on Rumen Fermentation，Enzyme Activities and Cellulolytic Bacteria in Pre- and Post-weaning Dairy Calves
LI He-qiong，LIU Qiang，WANG Cong，ZHANG Yan-li，PEI Cai-xia，WANG Yong-xin，GUO Gang，HUO Wen-jie，ZHANG Shuan-lin，LIU Jian-xin
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2015, (12): 2218 -2226 .  DOI: 10.11843/j.issn.0366-6964.2015.12.013